2251461625 has 16 divisors (see below), whose sum is σ = 3211228800. Its totient is φ = 1543858800.

The previous prime is 2251461613. The next prime is 2251461629. The reversal of 2251461625 is 5261641522.

2251461625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251461625 - 2¹³ = 2251453433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251461629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285675 + ... + 1287424.

It is an arithmetic number, because the mean of its divisors is an integer number (200701800).

Almost surely, 2^2251461625 is an apocalyptic number.

2251461625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251461625 is a deficient number, since it is larger than the sum of its proper divisors (959767175).

2251461625 is an equidigital number, since it uses as much as digits as its factorization.

2251461625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573121 (or 2573111 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 2251461625 is about 47449.5692815014. The cubic root of 2251461625 is about 1310.6543794737.

The spelling of 2251461625 in words is "two billion, two hundred fifty-one million, four hundred sixty-one thousand, six hundred twenty-five".